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प्रश्न
Name two elements in Alkaline earth metals.
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उत्तर
Calcium and magnesium.
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संबंधित प्रश्न
Fill in the following blank with suitable word:
Group 1 elements are called ...............
Give two example of group 17 elements.
In what respects do the properties of group 1 elements differ from those of group 17 elements? Explain with examples by taking one element from each group.
What do you understand by typical elements?
How does number of (i) valence electrons (ii) valency; vary on moving from left to right in the second period of a periodic table?
The groups 1 and 2 constitute the ______ block.
Right or wrong sentence.
The K and L shells of the elements Na and Mg contain electrons.
______ and ______ are called inner transition elements.
- Write the electronic configuration of element X, given by its symbol as under: \[\ce{^40_20 X}\]
- Determine its position in the modem periodic table.
- What is the nature of its oxide?
- Name one other element of its group.
What is the general name of the last elements of the Periodic Table?
